| Picture | ES Part No. | Part No | Stock | Price | Datasheet | Pb Free | RoHS | Description | Vendor | Case Style | Number of I/O | Core Processor | Program Memory Size (Bytes) | Non-Volatile Memory Size(Bytes-Data EE,Data Flash) | RAM Size (Bytes) | Package / Case | Mounting Type | ADC Bits/Channel | Communication | Core Sizes (Bits) | Max. Speed |
| | | | | | | | | | | | | | | | | | | | | |
 | 0065-0381-1 | ATMEGA644PA-AUR-T | 0 | 1,378.00 |  | PB-Free | RoHS | 8-Bit AVR MCU ISP Flash 64KBytes,RAM 4KBytes EEPROM 2KBytes,Speed 20MHz,QTouch Library Support USART,TWI,SPI,JTAG Interface | ATMEL | QFP | 32 | AVR | 64K | 2K | 4K | TQFP-44 | Surface Mount | 10/8 | 2 USART,2 SPI,1 TWI | 8 | 20MHz |
| 0065-0355-9 | ATMEGA644PA-AU | 249 | 312.80 | | PB-Free | RoHS | 8-Bit AVR MCU ISP Flash 64KBytes, RAM 4KBytes, EEPROM 2KBytes, Speed 20MHz | ATMEL | QFP | 32 | AVR | 64K | 2K | 4K | TQFP-44 | Surface Mount | 10/8 | 2 USART,1 SPI,1 TWI | 8 | 20MHz |
 | 0065-0356-1 | ATMEGA644PA-PU | 1,459 | 288.60 | | PB-Free | RoHS | 8-Bit AVR MCU ISP Flash 64KBytes,RAM 4KBytes EEPROM 2KBytes,20MHz | ATMEL | DIP | 32 | AVR | 64K | 2K | 4K | PDIP-40 | Through Hole | 10/8 | 2 USART,1 SPI,1 TWI | 8 | 20MHz |
 | 0065-0358-5 | ATMEGA328P-AU-T | 0 | 123.30 | | PB-Free | RoHS | 8-Bit AVR MCU ISP Flash 32KBytes, RAM 2KBytes EEPROM 1KBytes, Speed 20MHz | ATMEL | QFP | 23 | AVR | 32K | 1K | 2K | TQFP-32 | Surface Mount | 10/8 | 1 USART,2 SPI,1 TWI | 8 | 20MHz |
 | 0065-0243-8 | ATTINY2313-20SU | 1 | 136.90 | | PB-Free | RoHS | 8-Bit AVR MCU ISP Flash 2KBytes,RAM 128 Bytes EEPROM 128 Bytes,20MHz | ATMEL | SOIC | 18 | AVR | 2K | 128 | 128 | SOIC-20 | Surface Mount | - | 1 USART,1 SPI,1 USI | 8 | 20MHz |
 | 0065-0332-6 | ATMEGA168PA-AU | 2,642 | 98.34 | | PB-Free | RoHS | 8-Bit AVR MCU ISP Flash 16KBytes,RAM 1KBytes EEPROM 512 Bytes,20MHz, 8-Ch/10-Bit ADC | ATMEL | QFP | 23 | AVR | 16K | 512 | 1K | TQFP-32 | Surface Mount | 10/8 | 1 USART,2 SPI,1 TWI | 8 | 20MHz |
 | 0065-0333-9 | ATTINY2313A-PU | 1,395 | 85.63 | | PB-Free | RoHS | 8-Bit AVR MCU ISP Flash 2KBytes, RAM 128 Bytes EEPROM 128 Bytes, Speed 20MHz | ATMEL | DIP | 18 | AVR | 2K | 128 | 128 | PDIP-20 | Through Hole | - | 1 USART,1 SPI,1 USI | 8 | 20MHz |
 | 0065-0312-8 | ATMEGA48PA-PU | 250 | 124.30 | | PB-Free | RoHS | 8-Bit AVR MCU ISP Flash 4KBytes,RAM 512 Bytes EEPROM 256 Bytes,20MHz, 6-Ch/10-Bit ADC | ATMEL | DIP | 23 | AVR | 4K | 256 | 512 | PDIP-28 | Through Hole | 10/6 | 1 USART,2 SPI,1 TWI | 8 | 20MHz |
| 0065-0313-1 | ATMEGA328P-PU | 1,872 | 130.80 | | PB-Free | RoHS | 8-Bits AVR MCU ISP Flash 32KBytes,RAM 2KBytes EEPROM 1 KBytes,Speed 20 MHz | ATMEL | DIP | 23 | AVR | 32K | 1K | 2K | PDIP-28 | Through Hole | 10/6 | 1 USART,1 SPI,1 TWI | 8 | 20MHz |
| 0065-0314-4 | ATMEGA88PA-PU | 0 | 175.60 | | PB-Free | RoHS | 8-Bit AVR MCU, Flash 8KBytes, RAM 1KBytes, EEPROM 512 Bytes, Speed 20MHz | ATMEL | DIP | 23 | AVR | 8K | 512 | 1K | PDIP-28 | Through Hole | 10/6 | 1 USART,2 SPI,1 TWI | 8 | 20MHz |
| 0065-0323-5 | ATMEGA328P-AU | 1,940 | 119.40 | | PB-Free | RoHS | 8-Bit AVR MCU ISP Flash 32KBytes, RAM 2KBytes EEPROM 1KBytes, Speed 20MHz | ATMEL | QFP | 23 | AVR | 32K | 1K | 2K | TQFP-32 | Surface Mount | 10/8 | 1 USART,2 SPI,1 TWI | 8 | 20MHz |
 | 0065-0201-6 | ATTINY45-20SU | 1,363 | 73.93 | | PB-Free | RoHS | 8-Bit AVR MCU ISP Flash 4KBytes,RAM 256 Bytes EEPROM 256Bytes,20MHz | ATMEL | SOIC | 6 | AVR | 4K | 256 | 256 | SOIC-8 208-mil | Surface Mount | 10/4 | 1 SPI | 8 | 20MHz |
| 0065-0179-3 | AT89LP4052-20PU | 832 | 137.60 | | PB-Free | | 8-Bit MCS-51 MCU Flash 4KBytes,RAM 256 Bytes,20MHz Low-Power,In System Programmable(ISP) | ATMEL | DIP | 15 | MCS51 | 4K | - | 256 | PDIP-20 | Through Hole | - | 1 UART,1 SPI | 8 | 20MHz |
| 1522-0020-1 | ATMEGA168PA-AU | 32 | 132.10 | | PB-Free | RoHS | 8-Bit AVR MCU ISP Flash 16KBytes, RAM 1KBytes EEPROM 512 Bytes, 20MHz | MICROCHIP | QFP | 23 | AVR | 16K | 512 | 1K | TQFP-32 | Surface Mount | 10/8 | 1 USART,2 SPI,1 TWI | 8 | 20MHz |
| 0065-0290-9 | ATMEGA88PA-AU | 565 | 84.15 | | PB-Free | RoHS | 8-Bit AVR MCU ISP Flash 8KBytes,RAM 1KBytes EEPROM 512 Bytes,20MHz,8-Ch/10-Bit ADC | ATMEL | QFP | 23 | AVR | 8K | 512 | 1K | TQFP-32 | Surface Mount | 10/8 | 1 USART,2 SPI,1 TWI | 8 | 20MHz |
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